2003140044 has 30 divisors (see below), whose sum is σ = 5236604604. Its totient is φ = 667713240.

The previous prime is 2003140043. The next prime is 2003140049. The reversal of 2003140044 is 4400413002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2003139999 and 2003140026.

It is not an unprimeable number, because it can be changed into a prime (2003140043) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3090942 + ... + 3091589.

Almost surely, 2^2003140044 is an apocalyptic number.

It is an amenable number.

2003140044 is an abundant number, since it is smaller than the sum of its proper divisors (3233464560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003140044 is a wasteful number, since it uses less digits than its factorization.

2003140044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182547 (or 6182536 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2003140044 is about 44756.4525403880. The cubic root of 2003140044 is about 1260.5800730437.

Adding to 2003140044 its reverse (4400413002), we get a palindrome (6403553046).

The spelling of 2003140044 in words is "two billion, three million, one hundred forty thousand, forty-four".